<!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-->
<html>

<head>
<meta http-equiv="Content-Language" content="en-us">
<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
<title>jarlib-display Task</title>
</head>

<body>

<h2><a name="jarlib-display">jarlib-display</a></h2>
<h3>Description</h3>
<p>Display the "Optional Package" and "Package Specification" information
 contained within the specified jars.</p>

<p>Note that this task
works with extensions as defined by the "Optional Package" specification.
 For more information about optional packages, see the document
<em>Optional Package Versioning</em> in the documentation bundle for your
Java Standard Edition package, in file
<code>guide/extensions/versioning.html</code> or the online
<a target="_blank" href="http://docs.oracle.com/javase/7/docs/technotes/guides/extensions/versioning.html">
Extension and ExtensionSet documentation</a> for further details</p>

<h3>Parameters</h3>
<table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">file</td>
    <td valign="top">The file to display extension information about.</td>
    <td valign="top" align="center">No, but one of file or fileset must be
    present.</td>
  </tr>
</table>
<h3>Parameters specified as nested elements</h3>

<h4>fileset</h4>
 <p><a href="../Types/fileset.html">FileSet</a>s contain list of files to
 display Extension information  about.</p>

<h3>Examples</h3>
<p><b>Display Extension info for a single file</b></p>
<pre>
  &lt;jarlib-display file=&quot;myfile.jar&quot;&gt;
</pre>

<p><b>Display Extension info for a fileset</b></p>
<pre>
  &lt;jarlib-display&gt;
    &lt;fileset dir="lib"&gt;
      &lt;include name="*.jar"/&gt;
    &lt;/fileset&gt;
  &lt;/jarlib-display&gt;
</pre>



</body>
</html>

